Sony SS-B1000 5-1/4-Inch Bookshelf Speakers 120 Watt (Pair) H.O.P. Cone Woofer Two-Way, 1" Nano Fine Balanced Dome Tweeter, Black (Certified Refurbished) This Certified Refurbished product has been tested and certified to work like new, with minimal signs of wear, by a specialized third-party seller approved by Amazon. The product is backed by a minimum 90-day warranty and may arrive in a generic brown or white box. Accessories may be generic and not directly from the manufacturer. 5 1/4" Newly Developed H.O.P Cone Woofer 1" Nano Fine Balanced Dome Tweeter Sound Reproduction to 50kHz (for High Resolution Audio) 120W Maximum Input Power, Frequency Response 80-50kHz